erythema

名词 erythema:

1. abnormal redness of the skin resulting from dilation of blood vessels (as in sunburn or inflammation)

er.y.the.ma

n.（名词）
Redness of the skin caused by dilatation and congestion of the capillaries, often a sign of inflammation or infection.
红斑：由毛细血管的膨胀和充血导致，通常是发炎或感染的信号

来源：
Greek eruthôma
希腊语 eruthôma
from eruthainein [to redden, be red]
源自 eruthainein [使变红，红、红肿]
from eruthros [red] * see reudh-
源自 eruthros [红的，红肿的] *参见 reudh-

【引伸】
er.ythem.atous